Eat These Foods to Increase Glutathione in Your Body Vitality Medical Wellness Center Glutathione is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get Detoxification: 10 Foods to Support You Dr. Christine Maren Glutathione, A Powerful Antioxidant Indigo Health Novel Use for Oral Glutathione: Treatment of Nonalcoholic Fatty Liver Disease Metagenics Institute